Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.

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Vikram Jhawar, CFA, has 5+ years of experience in business and financial analysis, as well as 3+ years in writing for financial publications. Vikki Velasquez is a researcher and writer who has managed ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Jared Ecker is a researcher and fact-checker ...